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SAMSUNG Confidential
SAMSUNG TFT-LCD
MODEL: LTA550HQ23-W
The Information described in this specification is for the first draft and can be changed without prior notice.
Samsung Display Co., LTD
MODEL LTA550HQ23-W Doc. No Page 1 / 39
SAMSUNG Confidential
Contents
Revision History..................................................................................................................(3)
General Description ......................................................................................................... (4)
General Information.............................................................................................................(4)
Mechanical INFORMATION.............................................................................................(5)
1. Absolute Maximum Ratings .............................................................................................(6)
1.1 Environmental Absolute Ratings
1.2 Electrical Absolute Ratings
1.3 The Others Absolute Ratings
2. Optical Characteristics .....................................................................................................(8)
3. Electrical Characteristics.................................................................................................(12)
3.1 TFT LCD Module
3.2 Backlight Unit
3.3 The Condition & Specification of Converter Input
4. Block Diagram .............................................................................................................(16)
4.1 TFT LCD Module.
4.2 Back Light
5. The Pin assignment in the input terminal ............................................................................(17)
5.1 Input Signal & Power
5.2 Converter Input Pin Configuration
5.3 Converter Input Power Sequence
5.4 LVDS Interface
5.5 Input Signals, Basic Display Colors and Gray Scale of Each Color
5.6 Pixel Format in the display
6. Interface Timing.............................................................................................................(23)
6.1 The parameters of timing
6.2 Timing diagrams of interface signal
6.3 Characteristics of Input data of LVDS
6.4 The sequence of power on and off
7. Outline Dimension .........................................................................................................(34)
8. Reliability Test .............................................................................................................(35)
9. General Precaution........................................................................................................(37)
9.1 Handling
9.2 Storage
9.3 Operation
9.4 Guides for the Operation Condition
9.5 Others
MODEL LTA550HQ23-W Doc. No Page 2 / 39
SAMSUNG Confidential
General Description
Description
LTA550HQ23 is a color active matrix liquid crystal display (LCD) that uses amorphous silicon TFT(Thin
Film Transistor) as switching components. This model is composed of a TFT LCD panel, a driver circuit,
and a back-light unit. This 46.0" model has a resolution of 1920 x 1080 pixels (16:9) can display up to
1.07 Billion colors(Dithering) with the wide viewing angle of 89